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SammiChen updated HDFS-10994:
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Attachment: HDFS-10994-v3.patch
1. Rebase the patch against trunk
2. Fix one style issue
> Support an
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SammiChen commented on HDFS-10815:
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Hi [~ademu], thanks for providing this information. Will try to
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SammiChen reassigned HDFS-10854:
Assignee: SammiChen
> Remove createStripedFile and addBlockToFile by creating real EC files
>
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SammiChen commented on HDFS-10996:
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Thanks Kai to provide the good idea, I create JIRA HDFS-11075 to
SammiChen created HDFS-11075:
Summary: Provide a tool to help covert existing file of default 3x
replication to EC striped layout
Key: HDFS-11075
URL: https://issues.apache.org/jira/browse/HDFS-11075
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SammiChen commented on HDFS-10996:
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Thanks Andrew for your suggestion! Yes, I will consider the
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SammiChen commented on HDFS-11072:
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Agree, arbitrary replication factors should be supported. I have
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SammiChen commented on HDFS-10926:
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Thanks Kai for help reviewing and committing the patch!
> Update
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SammiChen commented on HDFS-10994:
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Hi Kai, I have gone through all these check style issues. There are
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SammiChen commented on HDFS-10996:
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Set EC policy to an existing none empty file or unset EC policy from
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SammiChen reassigned HDFS-11072:
Assignee: SammiChen
> Add ability to unset and change directory EC policy
>
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SammiChen commented on HDFS-11072:
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Hi [~andrew.wang], thanks for fire this JIRA, I'd like to work on it.
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SammiChen updated HDFS-10935:
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Status: Patch Available (was: Open)
> Java-based EC codec does not reconstruct blocks correctly
>
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SammiChen commented on HDFS-9594:
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I think this Null pointer exception is because one data node is killed
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SammiChen updated HDFS-10935:
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Attachment: HDFS-10935-v1.patch
Initial patch
> Java-based EC codec does not reconstruct blocks
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SammiChen commented on HDFS-10935:
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Hi [~jojochuang], it's found out that this "Checksum mismatches"
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SammiChen commented on HDFS-11033:
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Thanks to [~jojochuang] and [~andrew.wang] for reviewing the patch
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SammiChen commented on HDFS-8411:
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Hi Andrew, thanks for provide so many insightful comments. I will do
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SammiChen commented on HDFS-8410:
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Thanks Andrew for review and commit the patch!
> Add computation time
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SammiChen commented on HDFS-10815:
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Hi Eisuke Umeda, thanks for provide more information! Have you ever
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SammiChen commented on HDFS-8410:
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1. The failed test is irrelevant. The failure reason is "Adress already
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SammiChen commented on HDFS-11033:
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Thanks so much Wei-Chiu for reviewing the patch! I have uploaded a
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SammiChen updated HDFS-11033:
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Attachment: HDFS-11033-v2.patch
> Add documents for native raw erasure coder in XOR codes
>
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SammiChen updated HDFS-8410:
Attachment: HDFS-8410-005.patch
1. add "final" to metric variable
2. the previous checkstyle issue is about
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SammiChen commented on HDFS-8410:
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It costs about 2 milliseconds in my desktop to decode a strip group with
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SammiChen commented on HDFS-8410:
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Hi Andrew, thanks for the comments. Yea, It's better to use "final" for
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SammiChen updated HDFS-8411:
Status: Patch Available (was: Open)
> Add bytes count metrics to datanode for ECWorker
>
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SammiChen updated HDFS-8411:
Attachment: HDFS-8411-004.patch
Rebase and refactor the patch
> Add bytes count metrics to datanode for
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SammiChen reassigned HDFS-8411:
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Assignee: SammiChen (was: Li Bo)
> Add bytes count metrics to datanode for ECWorker
>
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SammiChen updated HDFS-11033:
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Description: Add document for native raw erasure coder in XOR codes.
> Add documents for native raw
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SammiChen updated HDFS-11033:
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Summary: Add documents for native raw erasure coder in XOR codes (was: Add
documents for native raw
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SammiChen updated HDFS-11033:
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Attachment: HDFS-11033-v1.patch
Initial patch
> Add documents for native raw eraure coder in XOR codes
>
SammiChen created HDFS-11033:
Summary: Add documents for native raw eraure coder in XOR codes
Key: HDFS-11033
URL: https://issues.apache.org/jira/browse/HDFS-11033
Project: Hadoop HDFS
Issue
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SammiChen commented on HDFS-8410:
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Thanks Andrew, for taking time review the patch and give detail
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SammiChen updated HDFS-8410:
Attachment: HDFS-8410-004.patch
> Add computation time metrics to datanode for ECWorker
>
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SammiChen updated HDFS-8410:
Status: Patch Available (was: Open)
> Add computation time metrics to datanode for ECWorker
>
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SammiChen updated HDFS-8410:
Attachment: HDFS-8410-003.patch
1. Rebase patch against trunk
2. Improve test function
> Add computation
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SammiChen reassigned HDFS-8410:
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Assignee: SammiChen (was: Li Bo)
> Add computation time metrics to datanode for ECWorker
>
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SammiChen commented on HDFS-7674:
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Hi Andrew, it seems these tasks cannot be closed so far. I will take
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SammiChen commented on HDFS-10935:
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Don't worry! I am doing investigation using Kai's environment since
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SammiChen updated HDFS-10994:
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Attachment: HDFS-10994-v2.patch
1. Fixed most of styles issue. The left are filed name pattern
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SammiChen updated HDFS-10926:
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Status: Patch Available (was: Open)
> Erasure coding background recovery work configuration parameters
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SammiChen updated HDFS-10926:
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Attachment: HDFS-10926-v1.patch
Initial patch
> Erasure coding background recovery work configuration
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SammiChen updated HDFS-10994:
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Attachment: HDFS-10994-v1.patch
Initial patch
> Support an XOR policy XOR-2-1-64k in HDFS
>
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SammiChen updated HDFS-10994:
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Status: Patch Available (was: Open)
> Support an XOR policy XOR-2-1-64k in HDFS
>
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SammiChen updated HDFS-10994:
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Summary: Support an XOR policy XOR-2-1-64k in HDFS (was: Support an XOR
policy in HDFS)
> Support an
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SammiChen commented on HDFS-10996:
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Hi [~andrew.wang], I'd like to take this task if you don't mind.
>
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SammiChen commented on HDFS-10935:
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Hi Wei-CHiu, I'd like to know how you launch the TestFileChecksum
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SammiChen commented on HDFS-10935:
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Hi Wei-Chiu Chuang, "java.lang.OutOfMemoryError" indicate that JVM
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SammiChen commented on HDFS-10935:
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TestFileChecksum tests all passed on my Linux server. My JDK is
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SammiChen commented on HDFS-10935:
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Hi, Kai, sure, I will look into it.
> TestFileChecksum tests are
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SammiChen reassigned HDFS-10935:
Assignee: SammiChen
> TestFileChecksum tests are failing after HDFS-10460 (Mac only?)
>
SammiChen created HDFS-10994:
Summary: Support "XOR-2-1-64k" policy in "hdfs erasurecode" command
Key: HDFS-10994
URL: https://issues.apache.org/jira/browse/HDFS-10994
Project: Hadoop HDFS
Issue
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SammiChen updated HDFS-10926:
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Summary: Erasure coding background recovery work configuration parameters
names are stale in
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SammiChen updated HDFS-10926:
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Summary: Erasure coding background recovery work configuration parameters
name is stale in
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SammiChen updated HDFS-10895:
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Attachment: HDFS-10895-v5.patch
Improve the patch after offline discussion with Kai.
> Update HDFS
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SammiChen updated HDFS-10910:
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Comment: was deleted
(was: Holiday from Oct. 1 to Oct. 7, please expect no response. Thanks.
)
> HDFS
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SammiChen updated HDFS-10895:
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Attachment: HDFS-10895-v4.patch
remove whitespaces
> Update HDFS Erasure Coding document about how to
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SammiChen updated HDFS-10895:
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Attachment: HDFS-10895-v3.patch
Improve the document by leverage "Build instructions for
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SammiChen updated HDFS-10895:
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Attachment: HDFS-10895-v2.patch
Rebase patch against latest trunk doc
> Update HDFS Erasure Coding
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SammiChen commented on HDFS-10910:
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Holiday from Oct. 1 to Oct. 7, please expect no response. Thanks.
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SammiChen updated HDFS-10926:
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Description: The Erasure coding background recovery work configuration
parameter names are stale in doc.
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SammiChen updated HDFS-10926:
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Description: The Erasure coding background recovery work configuration
parameter names are stale in doc.
SammiChen created HDFS-10926:
Summary: Erasure coding background recovery work configuration
parameters name is stale in ErasureCode doc
Key: HDFS-10926
URL: https://issues.apache.org/jira/browse/HDFS-10926
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SammiChen reassigned HDFS-10926:
Assignee: SammiChen
> Erasure coding background recovery work configuration parameters name is
>
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SammiChen commented on HDFS-10910:
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Thanks Yiqun for update the patch. The v2 patch seems good to me.
>
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SammiChen updated HDFS-10895:
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Status: Patch Available (was: Open)
> Update HDFS Erasure Coding document about how to enable ISA-L
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SammiChen updated HDFS-10895:
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Attachment: HDFS-10895-v1.patch
Initial patch
> Update HDFS Erasure Coding document about how to enable
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SammiChen commented on HDFS-10910:
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It's great to add currently supported erasure coding policies in the
SammiChen created HDFS-10895:
Summary: Update HDFS Erasure Coding document about how to enable
ISA-L library for erasure code codec
Key: HDFS-10895
URL: https://issues.apache.org/jira/browse/HDFS-10895
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SammiChen commented on HDFS-10861:
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Thanks Kai for take time review the patch and commit it!
> Refactor
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SammiChen commented on HDFS-10861:
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Hadoop QA run the test with the old v5 patch
> Refactor
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SammiChen updated HDFS-10861:
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Attachment: HDFS-10861-v6.patch
Resubmit patch v6 to trigger Hadoop QA run the test against v6
>
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SammiChen updated HDFS-10861:
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Attachment: (was: HDFS-10861-v6.patch)
> Refactor StripeReaders and use ECChunk version decode API
>
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SammiChen updated HDFS-10861:
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Attachment: HDFS-10861-v6.patch
The broken link in {{StripedBlockUtil}} is also fixed.
> Refactor
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SammiChen updated HDFS-10861:
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Attachment: (was: HDFS-10861-v6.patch)
> Refactor StripeReaders and use ECChunk version decode API
>
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SammiChen updated HDFS-10861:
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Attachment: HDFS-10861-v6.patch
Fix 2 failed test cases
> Refactor StripeReaders and use ECChunk version
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SammiChen updated HDFS-10861:
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Attachment: HDFS-10861-v5.patch
Update the patch,
1. fix 1 code style
2. refine code, import protected
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SammiChen updated HDFS-10861:
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Attachment: HDFS-10861-v4.patch
After discussion with Kai, I re-factored the patch. Here is the
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SammiChen updated HDFS-10861:
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Attachment: HDFS-10861-v3.patch
extract StripeReader from DfsStripedInputStream class
> Refactor
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SammiChen updated HDFS-10861:
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Attachment: HDFS-10861-v2.patch
Fixed 3 checkstyle issues. Other 2 checkstyle issues are not necessary.
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SammiChen commented on HDFS-8957:
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For easy review, I created " HDFS-10861 Refactor StatefulStripeReader
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SammiChen updated HDFS-10861:
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Attachment: HDFS-10861-v1.patch
> Refactor StatefulStripeReader and PositionStripeReader, use ECChunk
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https://issues.apache.org/jira/browse/HDFS-10861?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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SammiChen updated HDFS-10861:
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Status: Patch Available (was: Open)
> Refactor StatefulStripeReader and PositionStripeReader, use
SammiChen created HDFS-10861:
Summary: Refactor StatefulStripeReader and PositionStripeReader,
use ECChunk version decode API
Key: HDFS-10861
URL: https://issues.apache.org/jira/browse/HDFS-10861
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https://issues.apache.org/jira/browse/HDFS-8901?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15475782#comment-15475782
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SammiChen commented on HDFS-8901:
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Thanks Zhe for contribute so much effort to review the patch and give
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https://issues.apache.org/jira/browse/HDFS-10844?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15473572#comment-15473572
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SammiChen commented on HDFS-10844:
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Thanks Akira Ajisaka and Allen Wittenauer for all the effort to
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SammiChen updated HDFS-8905:
Comment: was deleted
(was: Thanks, Akira Ajisaka! Sure, I will look into it.)
> Refactor
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SammiChen commented on HDFS-8905:
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Thanks, Akira Ajisaka! Sure, I will look into it.
> Refactor
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https://issues.apache.org/jira/browse/HDFS-8905?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15473069#comment-15473069
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SammiChen commented on HDFS-8905:
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Thanks, Akira Ajisaka! Sure, I will look into it.
> Refactor
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https://issues.apache.org/jira/browse/HDFS-8901?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15466024#comment-15466024
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SammiChen commented on HDFS-8901:
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1. Run {{hadoop.net.TestDNS}} locally, it passed without any failure.
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SammiChen updated HDFS-8901:
Attachment: HDFS-8901-v20.patch
1. remove "//buffer.position(buffer.position() + bytesToRead)"
2. use
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https://issues.apache.org/jira/browse/HDFS-8901?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15464454#comment-15464454
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SammiChen commented on HDFS-8901:
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Thanks Zhe! Thanks Kai!
bq. Why do we need to flip? In the previous
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https://issues.apache.org/jira/browse/HDFS-10839?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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SammiChen updated HDFS-10839:
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Description: Add a ByteBuffer version readAll API in BlockReader interface,
to facilitate read data from
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SammiChen updated HDFS-10839:
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Status: Patch Available (was: Open)
> Add new BlockReaderl#readAll(ByteBuffer buf, int len) API
>
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SammiChen updated HDFS-10839:
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Status: Open (was: Patch Available)
> Add new BlockReaderl#readAll(ByteBuffer buf, int len) API
>
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SammiChen updated HDFS-10839:
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Attachment: HDFS-10839-v1.patch
> Add new BlockReaderl#readAll(ByteBuffer buf, int len) API
>
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https://issues.apache.org/jira/browse/HDFS-10839?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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SammiChen updated HDFS-10839:
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Attachment: (was: HDFS-10839-v1.patch)
> Add new BlockReaderl#readAll(ByteBuffer buf, int len) API
>
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https://issues.apache.org/jira/browse/HDFS-10839?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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SammiChen updated HDFS-10839:
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Status: Patch Available (was: Open)
> Add new BlockReaderl#readAll(ByteBuffer buf, int len) API
>
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SammiChen updated HDFS-10839:
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Attachment: HDFS-10839-v1.patch
implement the new readAll API
> Add new BlockReaderl#readAll(ByteBuffer
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